Your create statement should resemble:
create table
myemployees_ts0211
(firstname varchar(30),
lastname varchar(30),
title varchar(30),
age number(2),
salary number(8,2));
Your create statement should resemble:
create table
myemployees_ts0211
(firstname varchar(30),
lastname varchar(30),
title varchar(30),
age number(2),
salary number(8,2));